/***************************************************************************
 *            test-file-stuff.c
 *
 *  Thu Sep 29 22:50:50 2005
 *  Copyright  2005  GnuCash team
 ****************************************************************************/
/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 *  02110-1301, USA.
 */
#include <kvp-frame.hpp>
#include <glib.h>
#include <glib/gstdio.h>

#include <config.h>

#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <fcntl.h>
#include <string.h>

#include "gnc-engine.h"
#include "test-stuff.h"

#include <cstdlib>

#include "test-file-stuff.h"
#include "sixtp-dom-parsers.h"
#include "sixtp-parsers.h"
#include "io-gncxml-gen.h"
#include "sixtp-utils.h"
/*
#define __DEBUG 1
*/
/***********************************************************************/

extern KvpFrame* dom_tree_to_kvp_frame (xmlNodePtr node);

static int
files_return (int ret, const char* msg)
{
    printf ("%s", msg);
    return ret;
}

int
files_compare (const gchar* f1, const gchar* f2)
{
    gchar buf1[512];
    gchar buf2[512];
    int fd1, fd2;
    int amount_read1, amount_read2;

    fd1 = g_open (f1, O_RDONLY, 0);
    fd2 = g_open (f2, O_RDONLY, 0);

    do
    {
        int memcmp_ret;

        amount_read1 = read (fd1, buf1, 512);
        amount_read2 = read (fd2, buf2, 512);

        if (amount_read1 > amount_read2)
            return files_return (1, "read1 > read2");
        if (amount_read1 < amount_read2)
            return files_return (-1, "read1 < read2");

        if ((memcmp_ret = memcmp (buf1, buf2, amount_read1)) != 0)
        {
            return files_return (memcmp_ret, "memcmp return");
        }

    }
    while (amount_read1 == 512);

    return 0;
}

void
write_dom_node_to_file (xmlNodePtr node, int fd)
{
    FILE* out;

    out = fdopen (fd, "w");

    xmlElemDump (out, NULL, node);

    fclose (out);
}

gboolean
print_dom_tree (gpointer data_for_children, GSList* data_from_children,
                GSList* sibling_data, gpointer parent_data,
                gpointer global_data, gpointer* result, const gchar* tag)
{
    if (parent_data == NULL)
    {
        xmlElemDump ((FILE*)global_data, NULL, (xmlNodePtr)data_for_children);
        xmlFreeNode (static_cast<xmlNodePtr> (data_for_children));
    }
    return TRUE;
}

gboolean
check_dom_tree_version (xmlNodePtr node,  const char* verstr)
{
    char* verteststr;

    g_return_val_if_fail (node, FALSE);
    g_return_val_if_fail (verstr, FALSE);
    g_return_val_if_fail (node->properties, FALSE);
    g_return_val_if_fail (node->properties->xmlAttrPropertyValue, FALSE);
    g_return_val_if_fail (node->properties->xmlAttrPropertyValue->content,
                          FALSE);

    verteststr = (char*) node->properties->xmlAttrPropertyValue->content;
    if (g_strcmp0 (verstr, verteststr) == 0)
    {
        return TRUE;
    }
    else
    {
        return FALSE;
    }
}

gboolean
equals_node_val_vs_string (xmlNodePtr node, const gchar* str)
{
    gchar* cmp1;

    g_return_val_if_fail (node, FALSE);
    g_return_val_if_fail (str, FALSE);

    cmp1 = dom_tree_to_text (node);

    if (!cmp1)
    {
        return FALSE;
    }
    else if (g_strcmp0 (cmp1, str) == 0)
    {
        g_free (cmp1);
        return TRUE;
    }
    else
    {
        printf ("Differing types: node:`%s' vs string:`%s'\n", cmp1, str);
        g_free (cmp1);
        return FALSE;
    }
}

gboolean
equals_node_val_vs_int (xmlNodePtr node, gint64 val)
{
    gchar* text;
    gint64 test_val;

    g_return_val_if_fail (node, FALSE);

    text = dom_tree_to_text (node);

    if (!string_to_gint64 (text, &test_val))
    {
        g_free (text);
        return FALSE;
    }

    g_free (text);

    return val == test_val;
}

gboolean
equals_node_val_vs_boolean (xmlNodePtr node, gboolean val)
{
    return equals_node_val_vs_string (node, val ? "TRUE" : "FALSE");
}

gboolean
equals_node_val_vs_guid (xmlNodePtr node, const GncGUID* id)
{
    GncGUID* cmpid;

    g_return_val_if_fail (node, FALSE);
    g_return_val_if_fail (id, FALSE);

    cmpid = dom_tree_to_guid (node);

    g_return_val_if_fail (cmpid, FALSE);

    if (guid_compare (cmpid, id) == 0)
    {
        guid_free (cmpid);
        return TRUE;
    }
    else
    {
        guid_free (cmpid);
        return FALSE;
    }
}

gboolean
equals_node_val_vs_commodity (xmlNodePtr node, const gnc_commodity* com,
                              QofBook* book)
{
    gnc_commodity* cmpcom;

    g_return_val_if_fail (node, FALSE);
    g_return_val_if_fail (com, FALSE);

    cmpcom = dom_tree_to_commodity_ref_no_engine (node, book);

    g_return_val_if_fail (cmpcom, FALSE);

    if (gnc_commodity_equiv (com, cmpcom))
    {
        gnc_commodity_destroy (cmpcom);
        return TRUE;
    }
    else
    {
        gnc_commodity_destroy (cmpcom);
        return FALSE;
    }
}

gboolean
equals_node_val_vs_kvp_frame (xmlNodePtr node, const KvpFrame* frm)
{
    KvpFrame* cmpfrm;

    g_return_val_if_fail (node, FALSE);
    g_return_val_if_fail (frm, FALSE);

    cmpfrm = dom_tree_to_kvp_frame (node);

    g_return_val_if_fail (cmpfrm, FALSE);

    if (compare (frm, cmpfrm) == 0)
    {
        delete cmpfrm;
        return TRUE;
    }
    else
    {
        auto frmstr = frm->to_string ();
        auto cmpfrmstr = cmpfrm->to_string ();

        printf ("%s vs %s\n", frmstr.c_str(), cmpfrmstr.c_str());

        delete cmpfrm;
        return FALSE;
    }
}

gboolean
equals_node_val_vs_date (xmlNodePtr node, time64 time)
{
    return time == dom_tree_to_time64 (node);
}

/***********************************************************************/

static gboolean
just_dom_tree_end_handler (gpointer data_for_children,
                           GSList* data_from_children, GSList* sibling_data,
                           gpointer parent_data, gpointer global_data,
                           gpointer* result, const gchar* tag)
{
    xmlNodePtr tree = (xmlNodePtr)data_for_children;
    xmlNodePtr* globaldata = (xmlNodePtr*)global_data;

    if (parent_data)
    {
        return TRUE;
    }

    /* OK.  For some messed up reason this is getting called again with a
       NULL tag.  So we ignore those cases */
    if (!tag)
    {
        return TRUE;
    }

    g_return_val_if_fail (tree, FALSE);

    *globaldata = tree;

    return TRUE;
}

static xmlNodePtr
grab_file_doc (const char* filename)
{
    sixtp* parser;
    xmlNodePtr ret;
    gpointer parse_result = NULL;

    parser = sixtp_dom_parser_new (just_dom_tree_end_handler, NULL, NULL);

    sixtp_parse_file (parser, filename, NULL, &ret, &parse_result);

    return ret;
}

static void
test_load_file (const char* filename, gxpf_callback cb, sixtp* top_parser,
                QofBook* book)
{
    xmlNodePtr node;

    node = grab_file_doc (filename);

    if (!node)
    {
        failure_args ("failure of libxml to parse file", __FILE__, __LINE__,
                      "%s", filename);
        return;
    }

    if (!gnc_xml_parse_file (top_parser, filename, cb, node->children, book))
    {
        failure_args ("failure to parse file", __FILE__, __LINE__,
                      "%s", filename);
    }

    xmlFreeNode (node);
}

void
test_files_in_dir (int argc, char** argv, gxpf_callback cb,
                   sixtp* parser, const char* parser_tag,
                   QofBook* book)
{
    int count;
    sixtp* main_parser;
    sixtp* top_parser;


    top_parser = sixtp_new ();
    main_parser = sixtp_new ();

    if (!sixtp_add_some_sub_parsers (top_parser, TRUE, "gnc-v2", main_parser,
                                     NULL, NULL))
        return;

    if (!sixtp_add_some_sub_parsers (main_parser, TRUE, parser_tag, parser,
                                     NULL, NULL))
        return;


    for (count = 1; count < argc; count++)
    {
        GStatBuf file_info;
        const char* to_open = argv[count];
        if (g_stat (to_open, &file_info) != 0)
        {
            printf ("cannot stat %s.\n", to_open);
            failure ("unable to stat file");
        }
        else
        {
            if (!S_ISDIR (file_info.st_mode))
            {
#ifdef __DEBUG
                printf ("testing load of file \"%s\":\n", argv[count]);
#endif
                test_load_file (to_open, cb, top_parser, book);
            }
        }
    }

    sixtp_destroy (top_parser);
}